This is a track in 12 keys with 24 chords to practice playing over.

12 Keys 24 Chord Song

Pentatonic Axis

Tonality Modality

D Dorian, G melodic minor, A Double Harmonic Scale A Half whole diminished and the A Whole tone scale. Chords Dm Gm A A7b9. 32 bars 8 bars for each chord.  A C D E G (A minor pentatonic) A BC D EF G (D Dorian)  ABb C D E F#G (G Melodic Minor)ABb C#DEb F#G (D double harmonic scale) ABb CDb D#E F#G (A Half Whole diminished scale) A B Db D# F G (A whole tone).  Modalogy pages 40 to 43 Jeff Brent with Schell Barkley.

D To A Progression

EF B7b5 Em

Music Theory Song

C Eb Gb Am based on Bartok page 3 ADim7 intervals of 4 tonic pitch axis

C Eb Gb Am

a symmetrical third modulating composition with modes

Michael Bonett